Donnerstag.ai raised €4.3M in a Seed round in Nov 2025. The company is based in Frankfurt, Germany. Investors in the round: Crestone VC, QED Investors, Speedinvest. Data as of 7 Aug 2026.
Reported in EUR — no conversion. €4.3M
Confidence is the weaker of amount-FX and source evidence (the cascade rule). See methodology.
This is the company's only recorded round.
